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Re: Adding Leon processor to the SPARC list of processors

From: Joel Sherrill <joel dot sherrill at oarcorp dot com>
To: Eric Botcazou <ebotcazou at adacore dot com>
Cc: Joern Rennecke <amylaar at spamcop dot net>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>, Konrad Eisele <konrad at gaisler dot com>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, "iant at google dot com" <iant at google dot com>, "LuÃs VitÃrio Carg nini" <lvcargnini at gmail dot com>, Daniel Hellstrom <daniel at gaisler dot com>, Jiri Gaisler <jiri at gaisler dot com>, Jose Ruiz <ruiz at adacore dot com>
Date: Fri, 19 Nov 2010 10:58:10 -0600
Subject: Re: Adding Leon processor to the SPARC list of processors
References: <4CE515CB.7080706@gaisler.com> <201011190945.15332.ebotcazou@adacore.com> <20101119074809.e4zfcg4iokkgoccs-nzlynne@webmail.spamcop.net> <201011191753.29923.ebotcazou@adacore.com>

Daniel,

How do you see this impacting the sparc-rtems target?

We have v7/v8 with HW and SW FP multilibs now and
leon is important to us. :-D

--joel

On 11/19/2010 10:53 AM, Eric Botcazou wrote:

Yes, if all the people who want only one set of libraries agree on what
that set shall be (or this can be selected with existing configure flags),
this is the simplest way.

Yes, this can be selected at configure time with --with-cpu and --with-float.

The default configuration is also straightforward: LEON is an implementation
of the SPARC-V8 architecture so --with-cpu=v8 and --with-float=hard.

Also, it might happen that someone doesn't want one multilib dimension, but
they want to keep another one.

Indeed, being able to partially disable multilibs would be nice.

--
Joel Sherrill, Ph.D.             Director of Research&  Development
joel.sherrill@OARcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
   Support Available             (256) 722-9985

Follow-Ups:
- Re: Adding Leon processor to the SPARC list of processors
  - From: Eric Botcazou

References:
- Adding Leon processor to the SPARC list of processors
  - From: Konrad Eisele
- Re: Adding Leon processor to the SPARC list of processors
  - From: Eric Botcazou
- Re: Adding Leon processor to the SPARC list of processors
  - From: Joern Rennecke
- Re: Adding Leon processor to the SPARC list of processors
  - From: Eric Botcazou

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